In a double injury blow it was also revealed by Chelsea manager Jose Mourinho that captain John Terry will miss the rest of the Premier League season because of a foot injury he suffered in the second-half of the match.

Unlike Cech, though, he could be fit were Chelsea to reach the Champions League final on May 24.

Cech, 31, landed awkwardly when he clashed with Raul Garcia when defending an Atletico corner in the 17th minute.

"Petr Cech's season is over. Don't ask me technically, but season over," said Mourinho.

"And John - we have to play in the final for him to play with us."

Australian goalkeeper Mark Schwarzer was forced into action and became the oldest player to ever feature in the knockout stages of the Champions League at the age of 41.

Schwarzer has barely featured in his first season at Chelsea since moving from London rivals Fulham, but did start in Saturday's 2-1 defeat at home to Sunderland.

Chelsea face a title deciding game with leaders Liverpool at the weekend -- they trail them by five points -- and then the second leg with Atletico next Wednesday.